<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>NULL GEN</title>
</head>
<body>
<%
String id = request.getParameter("id");
id = id.toUpperCase();
%>
ID = <%= id %>

</body>
</html>